Family name Takayanagi (タカヤナギ 
, Takayanagi 
, Такаянаги) , all around the world, is a rare cognomen. The cognomen Takayanagi is characteristic of Japan, where it is a rare surname, Singapore, and Brazil, where it is a very rare surname. Measured by absolute frequency, it most frequently occurs in Japan, Brazil, and Indonesia. More prevalently, Takayanagi is the forename as well as the last name.
| VARIANT | COUNTRY |
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| タカヤナギ | Japan |
| Takayanagi | Brazil, Japan, China, Indonesia, United States |
| yōkichi takayanagi (b. 1926) |
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| rokuroh takayanagi (b. 1936) |
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| toyomi takayanagi person identified in the Museu da Pessoa collection, BR (b. 1947) |
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| hiroaki takayanagi Japanese candidate (b. 1969) |
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| masayoshi takayanagi researcher |
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| makoto takayanagi researcher |
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| masao takayanagi researcher ORCID ID = 0000-0003-3799-1779 |
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| fumiya takayanagi Japanese association football player |
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| naoto takayanagi researcher (ORCID 0000-0002-6849-7901) |
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| toshimitsu takayanagi researcher |
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| noboru takayanagi researcher |
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| tatsushi takayanagi researcher, JP |
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| motowo takayanagi researcher, Kyushu Sangyo University, JP |
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| hideshi takayanagi Ph.D. Keio University 1994 |
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| toshiyuki takayanagi researcher |
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